12mm 405nm 20mW 50mW Violet Blue Dot Focusable Laser Module

Output Power: 20mW/50mW
Working Voltage: 5V
Wavelength: 405±10nm
Working Temperature: 15-35℃
Laser Shape: dot
Focusable: Yes
Dimensions: ø12mm

This laser module is an industrial electronic component and used for as Industrial test, Lab, DIY. Not a handheld laser.

Comparing with 532nm green or 650nm red lasers, 405nm violetue laser is hard to be seen by human since the wavelength is on the range of spectrum by human eye sensibility. Even though a 405nm laser is powerful enough to burn, it is not as bright as green or red lasers.